Sophist, as well as Parmenides dialogues in which Plato reveals the essence of his philosophy, theme ideas. Significantly changes the very statement of Plato his thoughts. On the myth of the place with its shaped gravitas comes terminology honed and rigorously conceptual presentation. Unchanged remains the intellectual frame of Platonism, already indicated in the Symposium and Phaedrus . Unchangeable and the problems lying in a field of view of Plato, it is possible to feel in the very names of dialogs sophist and Parmenides in them, of course, uhvachena the most important of the ideological currents doplatonovskoy philosophy feeding Platonism, and make the Platonic synthesis as sharp as if the elastic and convex. And sophists in their pathos vserazedayuschego thinking in the subject relationship, absorbent and solvent being, and Parmenides in his theme being, negating attitude, in the highest sense of the word, and is characterized by one-piece.